Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 4, 2026, 1:47 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 199 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Colorectal Lesion, Colorectal Adenoma, Colorectal Polyp, Rectal Lesion, Rectal Adenoma, Rectal Polyp, Sigmoid; Lesion, Sigmoid Colon Polyp
Interventions
Endoscopic submucosal dissection using the ELS System
Device
Lead sponsor
EndoQuest Robotics, Inc.
Industry
Eligibility
22 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
6
States / cities
Scottsdale, Arizona • Orlando, Florida • Boston, Massachusetts + 2 more
Conditions
Colorectal Neoplasms, Colonic Polyps, Colorectal Cancer
Interventions
Olympus Colonoscope CFHQ190AL
Device
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years and older
Enrollment
281 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
3
States / cities
Palo Alto, California • San Francisco, California • Kansas City, Missouri
Conditions
Colorectal Neoplasia
Interventions
Omeprazole, Aspirin
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Ann Arbor, Michigan • Columbus, Ohio
Conditions
Colon Cancer, Polyp, Adenoma
Interventions
Chromocolonoscopy
Procedure
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
792 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
3
States / cities
Indianapolis, Indiana • Stony Brook, New York
Conditions
Colorectal Cancer, Healthy, no Evidence of Disease, Precancerous Condition
Interventions
gene expression analysis, polymerase chain reaction, polymorphism analysis, protein expression analysis, proteomic profiling, gas chromatography, laboratory biomarker analysis, liquid chromatography, mass spectrometry, questionnaire administration
Genetic · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
551 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Colonic Polyps, Esophageal Diseases
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Jacksonville, Florida
Terminated No phase listed Observational

Ileal Pouch-Anal Anastomosis Registry

NCT01026480
Conditions
Ileal Pouch-Anal Anastomosis
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
Not listed
Enrollment
936 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Colorectal Cancer
Interventions
CB-17-08 CADe
Device
Lead sponsor
Cosmo Artificial Intelligence-AI Ltd
Industry
Eligibility
45 Years and older
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
7
States / cities
Scottsdale, Arizona • Danville, California • Jacksonville, Florida + 4 more
Conditions
Colon Cancer
Interventions
Fecal Immunochemical Testing
Device
Lead sponsor
Forsyth Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
3
States / cities
Winston-Salem, North Carolina
Conditions
Familial Adenomatous Polyposis
Interventions
Black raspberry (BRB) Slurry, Black Raspberry (BRB) Suppositories, Black Raspberry (BRB) Placebo Slurry
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Familial Adenomatous Polyposis (FAP)
Interventions
eRapa (encapsulated rapamycin), Placebo
Drug
Lead sponsor
Rapamycin Holdings Inc.
Industry
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
18
States / cities
Arcadia, California • New Haven, Connecticut • Washington D.C., District of Columbia + 14 more
Conditions
Ulcerative Colitis, Familial Polyposis
Interventions
SprayShield Adhesion Barrier System, Good Surgical Technique Alone
Device · Procedure
Lead sponsor
Integra LifeSciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bedford, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gastroenterology Artificial INtelligence System for Detecting Colorectal Polyps (The GAIN Study)

NCT05275556
Conditions
Colon Adenoma, Colon Polyp, Colon Lesion
Interventions
Computer-Assisted Detection (CADe) Device
Device
Lead sponsor
Verily Life Sciences LLC
Industry
Eligibility
45 Years to 80 Years
Enrollment
1,410 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
5
States / cities
Rochester, Minnesota • Durham, North Carolina • Mentor, Ohio + 2 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

EndoRings Colonoscopy vs Standard Colonoscopy

NCT03418662
Conditions
Colorectal Adenoma, Colorectal Polyp, Colon Cancer
Interventions
EndoRings device
Device
Lead sponsor
Indiana University
Other
Eligibility
Not listed
Enrollment
592 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Not listed No phase listed Observational Accepts healthy volunteers

Endoscopic Resection of Large Colorectal Polyps: An Observational Cohort Study

NCT04220905
Conditions
Colonic Polyp, Colonoscopy, Complication, Recurrence, Duodenal Polyp
Interventions
Not listed
Lead sponsor
White River Junction Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
1
States / cities
White River Junction, Vermont
Conditions
Adenomatous Polyp, Colorectal Carcinoma
Interventions
macrogol 3350-based oral osmotic laxative, Placebo, Laboratory Biomarker Analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
3
States / cities
Chicago, Illinois • Evanston, Illinois • Boston, Massachusetts
Not listed No phase listed Observational Accepts healthy volunteers

Evaluation of Stool Tagging for Improved Patient Compliance

NCT00124163
Conditions
Colon Cancer, Polyps
Interventions
Imaging procedure of CT colonography
Procedure
Lead sponsor
Center for Diagnostic Imaging
Other
Eligibility
45 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Chesterfield, Missouri
Conditions
Colon Adenoma, Polyp of Colon, Adenoma Colon
Interventions
Ultivision AI
Device
Lead sponsor
Satisfai Health, Inc.
Industry
Eligibility
45 Years to 75 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Irvine, California • Kansas City, Kansas
Conditions
Colorectal Adenomatous Polyp, Colorectal Carcinoma, Familial Adenomatous Polyposis, Multiple Adenomatous Polyps
Interventions
Biopsy Procedure, Biospecimen Collection, Colonoscopy, Dordaviprone Hydrochloride, Questionnaire Administration, Sigmoidoscopy
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
5
States / cities
Ann Arbor, Michigan • St Louis, Missouri • Cleveland, Ohio + 2 more
Conditions
Colorectal Polyps
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
New York, New York
Conditions
Adenomatous Polyposis Coli
Interventions
Erlotinib, Sulindac, Placebo A, Placebo B
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 69 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
Vitamin E, Selenium, Vitamin E placebo, selenium placebo
Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
50 Years to 120 Years · Male only
Enrollment
8,094 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2018
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Colorectal Cancer, Colorectal Adenomas, Colorectal Polyps, Pain
Interventions
Air insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
50 Years to 70 Years
Enrollment
1,224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Colorectal Cancer
Interventions
Video-based terminal feedback
Behavioral
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
25 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
San Francisco, California